Question

Testa and Tegmen are layers of
(A)
Seed coat
(B) Pericarp
(C) Accessory whorls
(D) Embryonal axis​

Answer 1

ANSWER

The other sperm cell fuses with the polar nuclei forming the endosperm nucleus. Most angiosperms have two polar nuclei so the endosperm is triploid (3n).

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Answer 2

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$\implies$ Seed coat

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Testa and tegmen are the coats of the bitegmic seed of dicots. They form two distinct layers surrounding the embryo. Also, they form from the two integuments of the ovule.

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